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White-faced Whistling Duck

Dendrocygna viduata
(Linnaeus, C, 1766)
Sirirí Pampa
Irerê

Family: Anatidae
Order: Anseriformes
Class: Aves
Phylum / Division: Chordata
Kingdom: Animalia

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Conservation status according to BirdLife International: Least Concern

Other common names: Pato Silbón, Pato Viuda.

Synonyms: Anas viduata.


Description: It is a medium-sized duck, easily recognized by its strongly contrasting plumage and upright posture. The head is white with a distinctive black patch on the nape, giving the appearance of a “veil,” which is a key identifying feature. The neck and breast are chestnut, the back dark brown, and the flanks finely barred. The legs are relatively long and grayish, adapted for both swimming and walking.

Geographic distribution: It has a wide pantropical distribution, occurring throughout much of South America, sub-Saharan Africa, and parts of the Caribbean. In South America, it ranges from the northern regions south to central and northeastern Argentina, including Paraguay, Uruguay, Bolivia, and Brazil.

Habitat: It inhabits freshwater wetlands, such as lagoons, marshes, swamps, rice fields, river margins, and reservoirs. It prefers open areas with emergent vegetation and shows good tolerance of human-altered landscapes.

Feeding: Its diet is mainly herbivorous, consisting of seeds, grains, shoots, and green parts of aquatic and terrestrial plants. Small invertebrates are occasionally consumed, especially during the breeding season, providing additional protein.

Behavior: It is a highly social and vocal species, well known for its clear, whistling calls, particularly during flight or social interactions. It is often seen in large flocks and is active both during the day and at night. Unlike many ducks, it frequently forages on land.

Nesting: Nesting usually takes place in dense vegetation near water, where a simple nest made of plant material is built. The clutch generally includes 6 to 12 eggs, incubated by both parents, who also share care of the precocial chicks.

Conservation status: It is classified as Least Concern, with large and stable populations across most of its range. Nevertheless, wetland degradation may cause local declines.


Author of this compilation: EcoRegistros – 22/12/2025

 See related literature





🌿 EcoRegistros Revista - Related Articles


📖 Issue Nº 5 • Article Nº 3
✍ Julián Tocce
06/15/2015 21:52



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Number of Photography: 1476

Foto
Photography ID: 680610
  Adult

Balneario Reta
Buenos Aires
Argentina
03/28/2026
Gustavo Abel Larracoechea
Foto
Photography ID: 679958
  Adult

General Pico
La Pampa
Argentina
03/02/2026
Graciela Antenucci
Foto
Photography ID: 678876
  Adult

Barra do Garcas
Mato Grosso
Brazil
01/06/2026
Glauco Oliveira
Foto
Photography ID: 678774
  Adult

Mar de Cobo
Buenos Aires
Argentina
02/20/2026
Elsa Longo
Foto
Photography ID: 678733
  Adult

Alcinopolis
Mato Grosso do Sul
Brazil
12/28/2025
Glauco Oliveira
Foto
Photography ID: 677896
  Adult

Mar de Cobo
Buenos Aires
Argentina
02/20/2026
Guillermo Marcaida
Foto
Photography ID: 674974
  Adult

Benito Juárez
Buenos Aires
Argentina
01/08/2026
Liliana Rubilar Puerta
Foto
Photography ID: 674389
  Adult

Esperanza
Santa Fe
Argentina
02/21/2026
Pablo Capovilla
Foto
Photography ID: 673876
  Adult

Casbas
Buenos Aires
Argentina
02/15/2026
Lucas Martín
Foto
Photography ID: 672576
  Adult

Cercania de General Pico
La Pampa
Argentina
02/07/2026
Graciela Antenucci



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Number of Recorded Vocalizations: 7



Audio playerUserDateCountryProvincePlaceSexLife stageIt was observedDetails
Pablo Bruni09/02/2023ArgentinaEntre RíosFederalN/AN/AYesNo
Juan Atenzio10/30/2023ArgentinaCiudad Autónoma de Buenos AiresCaballitoIndistinguishableAdultNoNo
Victor Hugo Michelini06/29/2019ArgentinaBuenos AiresColinas de Peralta ramosMar del PlataIndistinguishableAdultNoNo
J. Simón Tagtachian01/29/2018ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)IndistinguishableAdultYesNo
Carlos M. Grassini05/05/2013ArgentinaEntre RíosZona central, lagunitas, tanque australiano y molinoReserva Natural Privada El Ceibo♂ ♀AdultYesNo
Jose Luis Merlo10/08/2010ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)IndistinguishableAdultNoNo
Jose Luis Merlo10/23/2010ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)IndistinguishableAdultNoNo


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Number of Films: 9





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 Reports


 Detail of places sorted by number of records






Number of Records: 6487



Page 1 of 649
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
245391029/03/2026ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)8Diego Oscar
245464628/03/2026ArgentinaBuenos AiresAlbufera, Balneario RetaGustavo Abel Larracoechea
245205826/03/2026ArgentinaSanta FeLaguna Lux, CarcarañáAdrian Braidotti
245477324/03/2026ArgentinaBuenos AiresReserva Natural Puerto Mar del Plata6Enrique Chiurla
245450224/03/2026ArgentinaBuenos AiresReserva Natural Puerto Mar del Plata6Victor Hugo Michelini
245466922/03/2026ArgentinaSanta FeLaguna El Bonete, Zona Rural depto. Vera Bajos Submeridionales14Carlos Valpreda
244953222/03/2026ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Costanera Sur (RECS)Lucas Peluffo
244531008/03/2026ArgentinaSanta FeLaguna Melincué, MelincuéAdrian Braidotti
244326107/03/202617:14ArgentinaCiudad Autónoma de Buenos AiresColectora Este Ramal Escobar 1971, Belén de Escobar1Jorge La Grotteria
245320202/03/2026ArgentinaLa PampaPiletones de Corpico, General PicoGraciela Antenucci
Page 1 of 649

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Bibliography related


Artículo Lucero, F. y J. C. Chebez. 2011. Nuevas citas y ampliación de la distribución de algunas aves en las provincias de San Juan, Mendoza y La Rioja. Nótulas Faunísticas N° 71. Fundación Félix de Azara.

Artículo Martinez, F., F. Lucero, R. Calí, D. Valdéz, D. Ferrer y J. C. Chebez. 2009. Registros novedosos de aves para las provincias de Mendoza y San Juan. Nótulas Faunísticas N° 35. Fundación Félix de Azara.



Citation recommended:

EcoRegistros. 2026. White-faced Whistling Duck (Dendrocygna viduata) - Species sheet. Acceded from https://www.ecoregistros.org on 05/04/2026.